Data entry notes:
Adopted at the sixth meeting of the International Whaling Commission. The Amendments entered into force 8 November 1954, except for amendments to paragraph 4(1) which entered into force , except Iceland and Denmark, 24 February 1955, and amendments to paragraph 4(2) which entered into force , except Canada, Japan, Union of Soviet Socialist Republics and United States of America, 17 February 1955. List of amendments by year from 1949 through 1974 inclusive available at: http://www.antcrc.utas.edu.au/opor/Treaties/awc-page.html.